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M&M’s Marshmallow Dream Bars

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These no-bake dessert bars are loaded with chocolate, peanut butter, marshmallows, and festive M&M’s—perfect for quick treats, parties, or holiday trays.

  • Author: Emma
  • Prep Time: 5 minutes
  • Cook Time: ~ (no baking required)
  • Total Time: 5 minutes (plus chilling time)
  • Yield: 36 bars
  • Category: Desserts
  • Method: No-Bake
  • Cuisine: American
  • Diet: Vegetarian

Ingredients

12 oz semi-sweet chocolate chips

11 oz butterscotch chips

1 cup creamy peanut butter

10.5 oz mini marshmallows

1 cup M&M’s

Instructions

Line a 9×13-inch baking dish with non-stick foil. Set aside.

In a large microwave-safe bowl, combine chocolate chips, butterscotch chips, and peanut butter.

Microwave in 30-second intervals, stirring between each, until mixture is completely melted and smooth.

Stir in mini marshmallows until they are fully coated.

Pour mixture into the prepared dish and spread evenly.

Sprinkle M&Ms over the top and gently press down to adhere.

Refrigerate for about 2 hours, or until set.

Cut into bars. Store leftovers in an airtight container at room temperature or chilled.

Notes

Try using holiday-themed M&Ms for a festive touch.

Bars can be made a day ahead and stored in the refrigerator.

For a crunchier variation, add chopped peanuts or pretzel bits.